GlassWire is described as 'Visualizes network activity, alerts on suspicious behavior, manages firewall rules, reports new app connections, and identifies potential threats' and is a very popular Network Monitor in the network & admin category. There are more than 50 alternatives to GlassWire for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best GlassWire alternative is Portmaster, which is both free and Open Source. Other great apps like GlassWire are simplewall, Little Snitch, TrafficMonitor and Fort Firewall.
Free, open-source privacy suite monitoring all network activity, blocking unwanted connections, using trusted filter lists for ads and malware, enforcing DNS-over-TLS, providing custom app and global rules, and supporting advanced privacy management.
Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
Shows real-time network speed, CPU, and memory usage on Windows via a floating window or taskbar widget. Features customizable skins, historical traffic stats, resource monitoring, and lightweight operation for home or advanced users. Free and open-source.
Comprehensive Windows software for internet traffic control, enabling users to set bandwidth limits for applications or connections. Offers real-time monitoring, long-term stats per app, and detailed internet usage reports. Ideal for managing data efficiently and enhancing network performance.
TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8. TinyWall includes a combination of features that sets it apart from both commercial and freeware firewalls: TinyWall does not annoy you with popups at all...
A powerful tool which extends the functionality of Windows Firewall and provides new extra features which makes Windows Firewall better.
InviZible Pro uses DNSCrypt Protocol, Tor and i2pd (I2P Daemon) (PurpleI2P) to achieve maximum security, privacy and comfortable use of the Internet.
Sniffnet is a network monitoring tool to help you easily keep track of your Internet traffic.
LuLu is the free, shared-source macOS firewall that aims to block unknown outgoing connections unless explicitly approved by the user.
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Powerful control for the tech-savvy. More free firewall blocking options than Glasswire, which only allows 2 blocks for free.